Swift 顯示警告訊息有兩種方式
解決方案來源:
iOS -
客製化Dialog
PopupDialog：採用Swif編寫的一個簡單、可定製的iOS彈出對話框
UIAlertController
顯示警告訊息和選單
方式一
使用
UIAlertController
使用
CustomAlertController範例
UIAlertController 教程：
讓你輕鬆在 UIViewController 以外的地方呈現警告
Making an Alert in iOS
方式二
使用
PopupDialog
import PopupDialog
func ShowMessageBoxDlg( nTitle:Int, nMessage:Int)
{
let Title = NSLocalizedString( String(nTitle), comment: "")
let Message = NSLocalizedString( String(nMessage), comment: "")
let PopupDlg = PopupDialog( title: Title,
message: Message,
buttonAlignment: .horizontal,
transitionStyle: .zoomIn,
tapGestureDismissal: true,
panGestureDismissal: true,
hideStatusBar: true)
{
}
let MagOk = NSLocalizedString( "Ok", comment: "")
let buttonOk = DefaultButton(title: MagOk)
{
}
PopupDlg.addButtons([buttonOk])
self.present( PopupDlg, animated: true, completion: nil)
}
方式三
自行用 UIViewController 設計一個 Dialog
import UIKit
//-------------------------------------------------------------------
var bShowWaitDialogClose: Bool = false
//-------------------------------------------------------------------
class TShowWaitDialogVc: UIViewController
{
var nCheckCloseDialogTimer:Timer?
var sTitleStr:String = ""
var sMessageStr:String = ""
var activityIndicator:UIActivityIndicatorView = UIActivityIndicatorView()
@IBOutlet weak var ViewDialog: UIView!
@IBOutlet weak var LabelTitleStr: UILabel!
@IBOutlet weak var LabelMsgStr: UILabel!
//-------------------------------------------------------------------
override func viewDidLoad()
{
super.viewDidLoad()
bShowWaitDialogClose = false
let yourColor : UIColor = UIColor(red:170.0/255.0, green:170.0/255.0, blue:170.0/255.0, alpha: 1.0 )
ViewDialog.layer.masksToBounds = true
ViewDialog.layer.borderColor = yourColor.cgColor
ViewDialog.layer.cornerRadius = 30
ViewDialog.layer.borderWidth = 2
ViewDialog.layer.shadowOffset = CGSize(width: 5, height: 5)
ViewDialog.layer.shadowOpacity = 0.7
ViewDialog.layer.shadowRadius = 5
ViewDialog.layer.shadowColor = UIColor(red:170.0/255.0, green:170.0/255.0, blue:170.0/255.0, alpha: 1.0 ).cgColor
LabelTitleStr.text = sTitleStr
LabelMsgStr.text = sMessageStr
CheckCloseDialogTimerInit()
ActivityIndicatorStart()
}
//-------------------------------------------------------------------
func CheckCloseDialogTimerInit()
{
nCheckCloseDialogTimer = Timer.scheduledTimer(timeInterval: 0.2, target: self,
selector:#selector(self.CheckCloseDialogTimerDown),
userInfo: nil, repeats: true)
}
//-------------------------------------------------------------------
@objc func CheckCloseDialogTimerDown()
{
if( bShowWaitDialogClose == true)
{
self.nCheckCloseDialogTimer?.invalidate()
ActivityIndicatorStop()
dismiss(animated: true, completion: nil)
}
}
//-------------------------------------------------------------------
@objc func ActivityIndicatorStart()
{
activityIndicator.center = self.view.center
activityIndicator.hidesWhenStopped = false
activityIndicator.style = UIActivityIndicatorView.Style.gray
activityIndicator.isHidden = false
view.addSubview(activityIndicator)
activityIndicator.startAnimating()
UIApplication.shared.beginIgnoringInteractionEvents()
}
//-------------------------------------------------------------------
@objc func ActivityIndicatorStop()
{
self.activityIndicator.stopAnimating()
self.activityIndicator.isHidden = true
UIApplication.shared.endIgnoringInteractionEvents()
}
//-------------------------------------------------------------------
}
//-------------------------------------------------------------------
func ShowWaitDialogVcShow()
{
bShowWaitDialogClose = false
let storyBoard: UIStoryboard = UIStoryboard(name: "Main", bundle: nil)
let ShowWaitDialogVc = storyBoard.instantiateViewController(withIdentifier: "ShowWaitDialogVcID") as! TShowWaitDialogVc
ShowWaitDialogVc.sTitleStr = "Processing"
ShowWaitDialogVc.sMessageStr = "In Processing, Please Wait..."
self.present( ShowWaitDialogVc, animated: true, completion: nil)
}
func BtnCloseDialg(_ sender: Any)
{
print("FUNC: \(#file), \(#function)")
bShowWaitDialogClose = true
}
var hBtnTouchTimer:Timer?
@IBAction func BtnTestOnClick(_ sender: Any)
{
bShowWaitDialogClose = false
hBtnTouchTimer = Timer.scheduledTimer( timeInterval: 20, target: self,
selector:#selector( self.BtnTouchTimerDown2),
userInfo: nil, repeats: false)
ShowWaitDialogVcShow()
}
@objc func BtnTouchTimerDown2()
{
if( bShowWaitDialogClose == false)
bShowWaitDialogClose = true
}
